Static behaviors of self-anchored and partially earth-anchored long-span cable-stayed bridges

Xie X , Yamaguchi H , Nagai M

Abstract

In this paper, three dimensional static behaviors of the self-anchored and partially earth-anchored cable-stayed bridges, with a span of 1400 meters, under wind loading are studied by using a 3D geometrical nonlinear analysis. In this analysis, the bridges both after completion and under construction are dealt with. The wind resistant characteristics of the both cable-stayed systems are made clear. In particular, the characteristics of the partially earth-anchored cable systems, which is expected to be a promising solution for extending the span of the cable-stayed systems further, is presented.

Key Words

cable-stayed bridge, self-anchored bridge, partially earth-anchored bridge, wind load

Address

Xie X, Saitama Univ, Dept Civil & Environm Engn, Urawa, Saitama 338, JapanSaitama Univ, Dept Civil & Environm Engn, Urawa, Saitama 338, JapanNagaoka Univ Technol, Dept Civil Engn, Nagaoka, Niigata 94021, Japan

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